Year	Number of Firms
1992-01-01	22
1997-01-01	32
2002-01-01	29
2003-01-01	32
2004-01-01	35
2005-01-01	37
2006-01-01	43
2007-01-01	46
2008-01-01	51
2009-01-01	51
2010-01-01	57
2011-01-01	51
2012-01-01	56
2013-01-01	66
2014-01-01	63
2015-01-01	66
2016-01-01	74